2.

a. Labor rate variance = (AH × AR) – (AH × SR)

= $11,385 – (1,100 × $10.50) = $165 F

 

b. Labor efficiency variance = SR(AH – SH*)

= $10.50 (1,100 – 1,320) = $2,310 F

 

*SH = Standard hours per unit × Actual output

= 3.3 × 400 = 1,320

 

c. Journal entries to record the direct labor costs: